RNA polymerase subunit H features a beta-ribbon motif within a novel fold that is present in archaea and eukaryotes.

RNA polymerase subunit H features a beta-ribbon motif within a novel fold that is present in archaea and eukaryotes.
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RNA 聚合酶 H 亚基在古细菌和真核生物中存在的新型折叠内具有 β-丝带基序。

DOI:
10.1006/jmbi.1999.2638
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发表时间:
1999
影响因子:
5.6
通讯作者:
S. Matthews
S. Matthews
中科院分区:
生物学2区
文献类型:
--
作者:
A. Thiru;M. Hodach;J. Eloranta;V. Kostourou;R. Weinzierl;S. Matthews

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古细菌H和真核生物RPB5 RNA聚合酶亚基高度同源,可能在从古细菌到人类的转录中发挥基本作用。我们用多维核磁共振技术报道了jannaschii古菌Methanococcus jannaschii溶液中的H亚基结构。结构揭示了一个新的褶皱,包含一个四股混合β片,在一侧由三个短螺旋包围。主要特征是β -带状基序,它呈现疏水性,基本表面,并定义了一般的RNA聚合酶结构支架。
The archaeal H and eukaryotic RPB5 RNA polymerase subunits are highly homologous and are likely to play a fundamental role in transcription that extends from archaea to humans. We report the structure of subunit H, in solution, from the archaeon Methanococcus jannaschii using multidimensional nuclear magnetic resonance. The structure reveals a novel fold containing a four-stranded mixed beta sheet that is flanked on one side by three short helices. The dominant feature is beta-ribbon motif, which presents a hydrophobic, basic surface, and defines a general RNA polymerase architectural scaffold.
来自超嗜热菌 Methanothermus fervidus 的 HMfB 的 NMR 结构证实了这种古菌蛋白是一种组蛋白。
DOI: 10.1006/jmbi.1996.0016
发表时间: 1996
期刊: Journal of molecular biology.
影响因子: --
作者:
Starich,MR;Sandman,K;Reeve,JN;Summers,MF
通讯作者: Summers,MF
DOI: 10.1073/pnas.91.11.5114
发表时间: 1994-05-24
影响因子: 11.1
作者:
NEWKIRK, K;FENG, WQ;MONTELIONE, GT
通讯作者: MONTELIONE, GT
DOI: 10.1073/pnas.91.11.5119
发表时间: 1994-05-24
影响因子: 11.1
作者:
SCHINDELIN, H;JIANG, WN;HEINEMANN, U
通讯作者: HEINEMANN, U